Ryabov Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 11, 2023 (latest changes June 11, 2023).

72 place (368.80).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.75 * 1 + 2.80 * 1) = 14.8

p1 = (347.83 * 2.80 * 1 + 594.59 * 4.05 * 1 + 436.78 * 3.75 * 1 + 0 + 0) / (2.80 * 1 + 4.05 * 1 + 3.75 * 1 + 1 + 1) = 398.4087301587302

p2 = (594.59 * 4.05 * 1 + 436.78 * 3.75 * 1 + 347.83 * 2.80 * 1) / max_coefficients = 339.1858108108108

score = 398.4087301587302 * 0.5 + 339.1858108108108 * 0.5 = 368.7972704847705

Rating changes

Show

all results
Date Place Points Reason
2023-06-11 87 -> 72 296.47 -> 368.80

Money can not buy tenpai: 0% -> 100%
2023-05-20 89 -> 87 292.03 -> 296.47
2023-05-01 87 -> 89 292.03
2023-04-22 85 -> 87 292.03
2023-04-19 86 -> 85 292.03
2023-03-28 87 -> 86 292.03
2023-03-20 88 -> 87 287.90 -> 292.03
2023-03-06 89 -> 88 287.90
2023-02-25 83 -> 89 287.90
2023-02-19 84 -> 83 287.90

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 437 2023-06-11 50/88 100% 3.75 RR Money can not buy tenpai
2 348 2022-12-18 16/24 100% 2.80 CRR Meeting in the billiard room
3 595 2022-06-12 46/112 100% 4.05 RR Moscow Riichi 2022